πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 14 = ?
Answer: ______________
213 − 7 = ?
Answer: ______________
3Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
417 − 17 = ?
Answer: ______________
5Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
620 − 5 = ?
Answer: ______________
720 − 11 = ?
Answer: ______________
813 − 8 = ?
Answer: ______________
913 − 3 = ?
Answer: ______________
1013 − 13 = ?
Answer: ______________
1114 − 8 = ?
Answer: ______________
12Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 6
- 3. 1
- 4. 0
- 5. 4
- 6. 15
- 7. 9
- 8. 5
- 9. 10
- 10. 0
- 11. 6
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20